53% (1990)

43% (1993)

49% (1989)

65% (2001)

54% (1993)

56% (1991)

50% (1997)

48% (1995)

42% (1994)

51% (1996)

29% (1998)

51% (1993)

10% (1997)

57% (1996)

46% (1990)

0% (1991)

56% (2003)

50% (1990)

40% (1991)

20% (1993)